Shavuot UK /ʃævuˈɒt/US /ʃɑvuˈoʊt/ noun1 •(Judaism) A Jewish harvest festival which falls on the sixth day of Sivan in the spring, fifty days after the second day of the Passover when the omer (“sheaf of barley”) is offered.Major Jewish holidays such as Rosh Hashanah, Yom Kippur, Simchat Torah, Succoth, Chanukah, Passover and Shavuot have been celebrated with Hebrew prayers and songs. — 1971